226 lines
7.4 KiB
C++
226 lines
7.4 KiB
C++
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// Copyright 2002 The Trustees of Indiana University.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Boost.MultiArray Library
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// Authors: Ronald Garcia
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// Jeremy Siek
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// Andrew Lumsdaine
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// See http://www.boost.org/libs/multi_array for documentation.
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#ifndef BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP
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#define BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP
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//
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// concept-checks.hpp - Checks out Const MultiArray and MultiArray
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// concepts
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//
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#include "boost/concept_check.hpp"
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#include "boost/iterator/iterator_concepts.hpp"
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namespace boost {
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namespace multi_array_concepts {
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namespace detail {
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//
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// idgen_helper -
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// This is a helper for generating index_gen instantiations with
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// the right type in order to test the call to
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// operator[](index_gen). Since one would normally write:
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// A[ indices[range1][range2] ]; // or
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// B[ indices[index1][index2][range1] ];
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// idgen helper allows us to generate the "indices" type by
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// creating it through recursive calls.
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template <std::size_t N>
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struct idgen_helper {
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template <typename Array, typename IdxGen, typename Call_Type>
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static void call(Array& a, const IdxGen& idgen, Call_Type c) {
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typedef typename Array::index_range index_range;
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typedef typename Array::index index;
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idgen_helper<N-1>::call(a,idgen[c],c);
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}
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};
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template <>
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struct idgen_helper<0> {
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template <typename Array, typename IdxGen, typename Call_Type>
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static void call(Array& a, const IdxGen& idgen, Call_Type) {
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typedef typename Array::index_range index_range;
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typedef typename Array::index index;
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a[ idgen ];
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}
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};
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} // namespace detail
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template <typename Array, std::size_t NumDims >
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struct ConstMultiArrayConcept
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{
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void constraints() {
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// function_requires< CopyConstructibleConcept<Array> >();
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function_requires< boost_concepts::ForwardTraversalConcept<iterator> >();
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function_requires< boost_concepts::ReadableIteratorConcept<iterator> >();
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function_requires< boost_concepts::ForwardTraversalConcept<const_iterator> >();
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function_requires< boost_concepts::ReadableIteratorConcept<const_iterator> >();
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// RG - a( CollectionArchetype) when available...
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a[ id ];
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// Test slicing, keeping only the first dimension, losing the rest
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],id);
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// Test slicing, keeping all dimensions.
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],range);
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st = a.size();
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st = a.num_dimensions();
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st = Array::dimensionality;
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st = a.num_elements();
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stp = a.shape();
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idp = a.strides();
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idp = a.index_bases();
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cit = a.begin();
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cit = a.end();
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crit = a.rbegin();
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crit = a.rend();
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eltp = a.origin();
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}
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typedef typename Array::value_type value_type;
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typedef typename Array::reference reference;
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typedef typename Array::const_reference const_reference;
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typedef typename Array::size_type size_type;
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typedef typename Array::difference_type difference_type;
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typedef typename Array::iterator iterator;
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typedef typename Array::const_iterator const_iterator;
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typedef typename Array::reverse_iterator reverse_iterator;
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typedef typename Array::const_reverse_iterator const_reverse_iterator;
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typedef typename Array::element element;
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typedef typename Array::index index;
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typedef typename Array::index_gen index_gen;
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typedef typename Array::index_range index_range;
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typedef typename Array::extent_gen extent_gen;
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typedef typename Array::extent_range extent_range;
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Array a;
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size_type st;
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const size_type* stp;
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index id;
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const index* idp;
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const_iterator cit;
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const_reverse_iterator crit;
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const element* eltp;
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index_gen idgen;
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index_range range;
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};
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template <typename Array, std::size_t NumDims >
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struct MutableMultiArrayConcept
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{
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void constraints() {
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// function_requires< CopyConstructibleConcept<Array> >();
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function_requires< boost_concepts::ForwardTraversalConcept<iterator> >();
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function_requires< boost_concepts::ReadableIteratorConcept<iterator> >();
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function_requires< boost_concepts::WritableIteratorConcept<iterator> >();
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function_requires< boost_concepts::ForwardTraversalConcept<const_iterator> >();
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function_requires< boost_concepts::ReadableIteratorConcept<const_iterator> >();
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function_requires< boost::OutputIterator<iterator,value_type> >();
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// RG - a( CollectionArchetype) when available...
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value_type vt = a[ id ];
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// Test slicing, keeping only the first dimension, losing the rest
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],id);
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// Test slicing, keeping all dimensions.
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],range);
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st = a.size();
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st = a.num_dimensions();
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st = a.num_elements();
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stp = a.shape();
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idp = a.strides();
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idp = a.index_bases();
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it = a.begin();
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it = a.end();
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rit = a.rbegin();
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rit = a.rend();
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eltp = a.origin();
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const_constraints(a);
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}
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void const_constraints(const Array& a) {
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// value_type vt = a[ id ];
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// Test slicing, keeping only the first dimension, losing the rest
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],id);
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// Test slicing, keeping all dimensions.
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detail::idgen_helper<NumDims-1>::call(a,idgen[range],range);
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st = a.size();
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st = a.num_dimensions();
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st = a.num_elements();
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stp = a.shape();
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idp = a.strides();
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idp = a.index_bases();
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cit = a.begin();
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cit = a.end();
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crit = a.rbegin();
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crit = a.rend();
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eltp = a.origin();
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}
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typedef typename Array::value_type value_type;
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typedef typename Array::reference reference;
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typedef typename Array::const_reference const_reference;
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typedef typename Array::size_type size_type;
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typedef typename Array::difference_type difference_type;
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typedef typename Array::iterator iterator;
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typedef typename Array::const_iterator const_iterator;
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typedef typename Array::reverse_iterator reverse_iterator;
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typedef typename Array::const_reverse_iterator const_reverse_iterator;
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typedef typename Array::element element;
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typedef typename Array::index index;
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typedef typename Array::index_gen index_gen;
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typedef typename Array::index_range index_range;
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typedef typename Array::extent_gen extent_gen;
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typedef typename Array::extent_range extent_range;
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Array a;
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size_type st;
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const size_type* stp;
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index id;
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const index* idp;
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iterator it;
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const_iterator cit;
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reverse_iterator rit;
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const_reverse_iterator crit;
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const element* eltp;
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index_gen idgen;
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index_range range;
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};
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} // namespace multi_array
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namespace detail {
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namespace multi_array { // Old locations for these
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using boost::multi_array_concepts::ConstMultiArrayConcept;
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using boost::multi_array_concepts::MutableMultiArrayConcept;
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}
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}
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} // namespace boost
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#endif // BOOST_MULTI_ARRAY_CONCEPT_CHECKS_RG110101_HPP
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